[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <25bd2fe1-a981-b30b-ad99-71fe447bf67b@quicinc.com>
Date: Fri, 28 Jul 2023 19:27:05 +0530
From: Komal Bajaj <quic_kbajaj@...cinc.com>
To: Pavan Kondeti <quic_pkondeti@...cinc.com>
CC: <agross@...nel.org>, <andersson@...nel.org>,
<konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<srinivas.kandagatla@...aro.org>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 1/2] dt-bindings: nvmem: sec-qfprom: Add bindings for
secure qfprom
On 7/27/2023 2:39 PM, Pavan Kondeti wrote:
> On Mon, Jul 24, 2023 at 02:08:48PM +0530, Komal Bajaj wrote:
>> This patch adds bindings for secure qfprom found in QCOM SOCs.
>> Secure QFPROM driver is based on simple nvmem framework.
>>
>> Signed-off-by: Komal Bajaj <quic_kbajaj@...cinc.com>
>> ---
>> .../bindings/nvmem/qcom,sec-qfprom.yaml | 58 +++++++++++++++++++
>> 1 file changed, 58 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml
>>
> [...]
>
>> +$id: http://devicetree.org/schemas/nvmem/qcom,sec-qfprom.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Technologies Inc, Secure QFPROM Efuse
>> +
>> +maintainers:
>> + - Komal Bajaj <quic_kbajaj@...cinc.com>
>> +
>> +description: |
>> + For some of the Qualcomm SoC's, it is possible that
>> + the qfprom region is protected from non-secure access.
>> + In such situations, linux will have to use secure calls
>> + to read the region.
>> +
>> +allOf:
>> + - $ref: nvmem.yaml#
>> +
>> +properties:
>> + compatible:
>> + items:
>> + - enum:
>> + - qcom,qdu1000-sec-qfprom
>> + - const: qcom,sec-qfprom
>> +
>> + reg:
>> + items:
>> + - description: The secure qfprom corrected region.
>> +
>> +required:
>> + - compatible
>> + - reg
>> +
>> +unevaluatedProperties: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/clock/qcom,gcc-sc7180.h>
>> +
> minor nitpick:
>
> Since this device does not have any clocks, the above header inclusion
> can be dropped.
Yes, it is not needed, will drop it.
Thanks
Komal
>
>> + soc {
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> +
>> + efuse@...c8000 {
>> + compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom";
>> + reg = <0 0x221c8000 0 0x1000>;
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> +
>> + multi_chan_ddr: multi-chan-ddr@12b {
>> + reg = <0x12b 0x1>;
>> + bits = <0 2>;
>> + };
>> + };
>> + };
>> +
> Thanks,
> Pavan
Powered by blists - more mailing lists